﻿using System;

namespace Jicheng
{
    class Program
    {
        static void Main(string[] args)
        {
            Triangle y = new Triangle();
            y.A = 3;
            y.B = 4;
            y.C = 5;
            y.Getperi();
            y.Getvalue();
            Console.WriteLine( "-----------------");
            quadrangle z = new quadrangle();
            z.Z = 6;
            z.K = 8;
            z.Getperi();
            z.Getvalue();
            Console.WriteLine("-----------------");
            round k = new round();
            k.r = 5;
            k.Getperi();
            k.Getvalue();
        }
    }
}
